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| author |   J.Bruce Fields <bfields@fieldses.org> | 2006-12-13 00:35:19 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-13 09:05:53 -0800 |
| commit | b797b5beac966df5c5d96c0d39fe366f57135343 (patch) | |
| tree | 2a7b84dc5d19def5b83497054515c915e82cce75 | |
| parent | [PATCH] knfsd: nfsd4: remove a dprink from nfsd4_lock (diff) | |
| download | linux-dev-b797b5beac966df5c5d96c0d39fe366f57135343.tar.xz linux-dev-b797b5beac966df5c5d96c0d39fe366f57135343.zip | |
[PATCH] knfsd: svcrpc: fix gss krb5i memory leak
The memory leak here is embarassingly obvious.
This fixes a problem that causes the kernel to leak a small amount of memory
every time it receives a integrity-protected request.
Thanks to Aim Le Rouzic for the bug report.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | net/sunrpc/auth_gss/svcauth_gss.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index 700353b330fd..3bf3520f92d1 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -804,19 +804,19 @@ unwrap_integ_data(struct xdr_buf *buf, u32 seq, struct gss_ctx *ctx) integ_len = svc_getnl(&buf->head[0]); if (integ_len & 3) - goto out; + return stat; if (integ_len > buf->len) - goto out; + return stat; if (xdr_buf_subsegment(buf, &integ_buf, 0, integ_len)) BUG(); /* copy out mic... */ if (read_u32_from_xdr_buf(buf, integ_len, &mic.len)) BUG(); if (mic.len > RPC_MAX_AUTH_SIZE) - goto out; + return stat; mic.data = kmalloc(mic.len, GFP_KERNEL); if (!mic.data) - goto out; + return stat; if (read_bytes_from_xdr_buf(buf, integ_len + 4, mic.data, mic.len)) goto out; maj_stat = gss_verify_mic(ctx, &integ_buf, &mic); @@ -826,6 +826,7 @@ unwrap_integ_data(struct xdr_buf *buf, u32 seq, struct gss_ctx *ctx) goto out; stat = 0; out: + kfree(mic.data); return stat; } |